Urine-feces separation unit and lavatory bowl

ABSTRACT

A lavatory bowl that can separate urine and feces and improve sealing performance of the feces container, and is applicable to the urinary use appropriately. The lavatory bowl ( 1 ) has a urine container ( 20 ) and a feces container ( 30 ). It is characterized by an opening and shutting lid ( 60 ) to open and close a feces slot ( 12 ) located above a feces container ( 30 ), and an accumulation part to put urine in the urine container ( 20 ). It is also characterized by the configuration that the accumulation part is composed of a urine guidepath ( 14 ) where it is the outer edge part of the feces slot ( 12 ) and a urine accumulation tube ( 16 ) that is installed between the urine guidepath ( 14 ) and the urine container ( 20 ).

BACKGROUND OF THE INVENTION

(i) Field of the Invention

This invention relates to a urine-feces separation unit and a lavatorybowl.

(ii) Background Art

The lavatory bowl used for the care etc. is well-recognized as the onethat can be set up for a room. The lavatory bowl for setting up in aroom is known as one with a degradation processing part to do thebiodegradation processing of organic wastes such as excrements and atoilet paper threw in. (Refer to patent document 1).

The lavatory bowl of the conventional technology is composed of thelavatory seat for a user to have a seat and the degradation processingpart to do the biodegradation processing of organic wastes threw in fromthe lavatory seat opening (the opening for feces). The degradationprocessing part is composed of a processing tank, sawdust in theprocessing tank and an agitating blade to agitate sawdust and organicwastes threw in.

In the lavatory bowl mentioned above, sawdust and organic wastes areagitated to activate microorganism efficiently by rotating the agitatingblade. It leads to the biodegradation processing of organic wastes.

[patent document 1] Japanese published unexamined applicationPublication No. 2001-120460

There are the following problems in many kinds of lavatory bowls of theconventional technology including the one that is disclosed in patentdocument 1.

The first problem is a point that the lavatory bowl of the conventionaltechnology is composed of one container putting urine and feces in.Decreasing “Smell” becomes important when the lavatory bowl is set up ina room, and when it puts urine and feces in the same container,decreasing “Smell” by all means becomes difficult. Moreover, the problemthat doing appropriately the washing processing etc. becomes difficultwhen it puts urine and feces in the same container is caused.

The second problem is a point that sealing performance of the containerwhere it puts urine and feces are low in the lavatory bowl of theconventional technology. It is important to decrease “Smell” as shown inthe above-mentioned not only in a room but anywhere the lavatory bowl isset up. Nevertheless, it has been a problem that sealing performance ofthe container is low in the lavatory bowl of the conventional technologyso far.

The third problem is a point of not being applicable when the lavatorybowl of the conventional technology is used “only for urine”. Thelavatory bowl of the conventional technology should keep it open thecontainer for feces even when usually used “only for urine”. Therefore,“Smell” cannot be decreased.

Then, this invention is the one performed to solve the problems of theabove-mentioned the lavatory bowl of the conventional technology. Also,it is assumed to be problems for this invention to offer the urine-fecesseparation unit that can separate urine and feces, improve sealingperformance of the container for feces etc., and is applicable to theuse only of urine appropriately.

SUMMARY OF THE INVENTION

The object of this invention is to solve the above-mentioned problems.This invention provides the urine-feces separation unit that separatesurine and feces. The urine-feces separation unit is characterized by theopening and shutting lid to opens and closes feces slot, and by theurine accumulation part to put urine in.

The urine-feces separation unit of this invention is desirable in thatthe urine accumulation part is composed of a urine guidepath where it isthe outer edge part of the feces slot and the urine accumulation tubethat is connected with the urine guidepath.

Moreover, this invention is the one performed to solve theabove-mentioned problems and it is the urine-feces separation unit thatseparates urine and feces, and it has the opening and shutting lid toopens and closes feces slot, and it has the urine accumulation part toput urine in. It is characterized by the configuration that the urineaccumulation part is composed of a urine guidepath where it is the outeredge part of the feces slot and that the urine accumulation tube isconnected with the urine guidepath. Also, the urine-feces separationunit is characterized by the configuration that the opening and shuttinglid keeps the feces slot closed and urine is put in a urine storage tankthrough the urine accumulation part when urine is excreted, and that theopening and shutting lid keeps the feces slot opened and feces are putin a feces storage tank through the feces slot when feces are excreted.

Here, “the urine accumulation part” is not the one to show only theurine container installed in the lavatory bowl to put urine in. It is aconcept including the urine container installed outside the lavatorybowl, and the urine processing tank and the urine processing deviceoutside the lavatory bowl, or the piping etc., for the urine to be laidon the processing tank etc. installed outside the lavatory bowl.

Moreover, “the feces accumulation part” is not the one to show only thefeces container installed in the lavatory bowl to put feces in. It is aconcept including the feces container installed outside the lavatorybowl, and the feces processing tank and the feces processing deviceoutside the lavatory bowl, or the piping etc., for the feces to be laidon the processing tank etc. installed outside the lavatory bowl.

This invention is the one performed to solve the above-mentionedproblems and it is the lavatory bowl that has the urine container andthe feces container. The lavatory bowl is characterized by the openingand shutting lid, which is located above the feces container, to opensand closes the feces slot, and by the urine accumulation part to puturine in the urine container.

In addition, the lavatory bowl according to this invention is desirablein that the urine accumulation part is composed of the urine guidepathwhere it is the outer edge part of the feces slot and the urineaccumulation tube that connects the urine guidepath with the urinecontainer.

According to this invention, it is possible to make the urine-fecesseparation unit that appropriately separates urine and feces, improvessealing performance of the feces container etc., and also is applicableto the urinary use properly.

BRIEF DESCRIPTION OF THE DRAWINGS

A preferred embodiment of the present invention will be describedhereinafter with reference to the drawings, in which:

FIG. 1 is a diagrammatic cross-sectional view showing a lavatory bowlaccording to the present embodiment;

FIG. 2 is a diagrammatic view showing main parts of the lavatory bowl inFIG. 1;

FIG. 3 is a top plan view of FIG. 2;

FIG. 4 a diagrammatic view showing main parts of the lavatory bowl inFIG. 1 with an additional opening and shutting mechanism of an openingand shutting lid; and

FIG. 5 is a top plan view of FIG. 4.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

To avoid making of the drawing complex, some configurations are properlyomitted from FIG. 1 to FIG. 3. (For instance, the opening and shuttingmechanism of the opening and shutting lid installed in the main body ofthe lavatory bowl is omitted. This mechanism is described later.)

As shown in these figures, the lavatory bowl (1) of the illustrativeembodiment is composed of an outer casing (10), and a urine container(20) and a feces container (30) installed in the outer casing (10), anda main body of the lavatory bowl (11), and a lavatory seat (40) locatedabove the main body (11) of the lavatory bowl (1), and a lid part (50)located above the lavatory seat (40).

A feces slot (12) is provided at a lower position of the main body (11)of the lavatory bowl (1) of the illustrative embodiment. The feces slot(12) has an opening and shutting lid (60). By driving the opening andshutting lid (60), the feces slot (12) can be opened and shut.

A urine guidepath (14) in canaliform pattern is provided in the outeredge part of the feces slot (12). This urine guidepath (14) has aninclination to a prescribed angle θ to flow the fluids (urine or washingwater, etc.) from backward (11 b) to front (11 a) of the main body (11)of the lavatory bowl (1). It is desirable to set up at 2°˜45° and it ismore preferable to set up at 3°˜10° as a “prescribed angle θ”

Troubles may occur in that the fluids such as urine that dropped on theopening and shutting lid (60) do not gather easily or take time togather to the urine guidepath (14) when this “Prescribed angle θ” issmaller than 2°. Moreover, trouble may occur in that the fluids such asthe rinse water flows fast so that enough effects of the washing cannotbe achieved when the washing processing is done (this washing processingis described later) when this “Prescribed angle θ” is larger than 45°.Therefore, it is desirable that “Prescribed angle θ” is about 2°˜45° inthe illustrative embodiment mentioned above as the fluids such as urineand the rinse water that dropped on the opening and shutting lid (60)can gather efficiently to the urine guidepath (14).

A through-hole part (15) is provided on the lowest part of the urineguidepath (14) where it is located on front (11 a) of the main body (11)of the lavatory bowl (1). This through-hole part (15) connects one endof a urine accumulation tube (16). The other end of the urineaccumulation tube (16) is placed in a urine container (20). In theillustrative embodiment, “a urine accumulation part” by this inventionis composed of the urine guidepath (14) and the urine accumulation tube(16).

A top surface (the top surface of the opening and shutting lid (60 a))of the opening and shutting lid (60) to opens and closes the feces slot(12) has an inclination to a prescribed angle θ as well as the urineguidepath (14). As shown in FIG. 1 and FIG. 3, a surface of an inneredge part (14 a) of the urine guidepath (14) is coplanar with the topsurface of the opening and shutting lid (60 a).

“The urine-feces separation unit” of this invention in this illustrativeembodiment is composed of the opening and shutting lid (60) to opens andcloses the feces slot (12), and the urine accumulation part to put urinein, which includes of the urine guidepath (14) and the urineaccumulation tube (16).

The urine container (20) in the outer casing (10) may adopt any kinds ofconfiguration for a container, for instance, a closed container as longas a container has a portion to insert the urine accumulation tube (16).This means a configuration of the urine container (20) is not limited toa closed container, and is acceptable to an open type container ifrequired. Also, the urine container (20) may be composed with detachableone out of the outer casing (10) according to the state of accommodationsuch as urine in the lavatory bowl (1) of the illustrative embodiment.

It is composed to be open at top surface of the feces container (30) inthe outer casing (10). The porous material (sawdust) is put in the fecescontainer (30) to do the biodegradation processing of organic wastessuch as feces threw in from the feces slot (12) though the illustrationof the sawdust is omitted in FIG. 1 and others. The feces container (30)is composed with detachable one out of the outer casing (10) in thelavatory bowl (1) of the illustrative embodiment as well as the urinecontainer (20).

For instance, the door part (not shown in the figure) to be opened andshut can be installed at the side of the outer casing (10) in thelavatory bowl (1) of the illustrative embodiment, and the urinecontainer (20) and the feces container (30) can be taken out outside ofthe outer casing (10) through this door part.

The lavatory seat (40) is located above the main body (11) of thelavatory bowl (1) and can be opened and shut if necessary by means ofhinged connection with the outer casing (10) (not shown in the figure).Moreover, the lavatory seat (40) has the lavatory seat opening (41) tobe thrown urine and/or feces. When a user sits on the lavatory seat (40)and excretes urine and/or feces, urine goes to the urine container (20)through the lavatory seat opening (41) and the urine accumulation part[the urine guidepath (14) and the urine accumulation tube (16)], andfeces goes to the feces container (30) through the lavatory seat opening(41) and the feces slot (12). This lavatory seat (40) also can be usedas “Heating lavatory seat” by using an electric heater or the warmwater, etc. In addition, you may install the warm water washing devicenear the lavatory seat (40).

The lid part (50) is located above the lavatory seat (40) and the lidpart (50) can be opened and shut if necessary by means of hingedconnection with the lavatory seat (40) (not shown in the figure).

Next, the opening and shutting mechanism of the opening and shutting lid(60) using FIG. 4 and FIG. 5 is explained. FIG. 4 is a diagrammatic viewshowing main parts of the lavatory bowl with an additional opening andshutting mechanism of opening and shutting lid in shown at FIG. 1 etc.FIG. 5 is a top plan view of FIG. 4.

The lavatory bowl (1) of the illustrative embodiment is composed to beopened and shut the opening and shutting lid (60) by using the drivemotor (61), which opens and shuts the feces slot (12) that is located ata lower position of the main body (11) of the lavatory bowl (1).

Specifically, the drive motor (61) is installed near the opening andshutting lid (60), and this drive motor (61) is electrically connectedthrough the electricity wiring (63) and the drive switch (62) that islocated above the outer casing (10). The first gear (64) is set at therotating shaft (around the motor side) (61A) of the drive motor (61),and the second gear (65) is set at the rotating shaft (around the lidside) (66) that enables to rotate the supporting part (60 b) of theopening and shutting lid (60). This first gear (64) and the second gear(65) engage appropriately.

When the button (62A) of the drive switch (62) is pushed, an electricsignal from the drive switch (62) is transmitted to the drive motor (61)through the electricity wiring (63) in the lavatory bowl (1) of theillustrative embodiment. The rotation driving force of the drive motor(61) is transmitted to the opening and shutting lid (60) [the supportingpart (60 b)] through the rotating shaft around the motor side (61A), thefirst gear (64), the second gear (65), and the rotating shaft around thelid side (66) and it enables to open and shut properly the opening andshutting lid (60).

It is composed so that the direction where the drive motor (61) isrotated may reverse every time the button (62A) is pushed in thelavatory bowl (1) of the illustrative embodiment. When the loading morethan preset level acts the drive motor (61), the drive motor (61) maystop. The loading more than preset level is for instance, in the casethat the opening and shutting lid (60) keeps closed, or the opening andshutting lid (60) keeps open and reaches the limit of its open.

Even if feces etc. are piled up on the opening and shutting lid (60)with closed the feces slot (12), it is composed that the sensor (notshown in the figure) of the opening and shutting lid (60) can detectweight more than a prescribed level and let the opening and shutting lid(60) open by driving the drive motor (61) automatically in the lavatorybowl (1) of the illustrative embodiment mentioned above. It preventstroubles in the opening and shutting mechanism etc. (to be specific,each gear (64) (65), and the drive motor (61) etc.).

The lavatory bowl (1) of the illustrative embodiment is composed itmentioned above and used by the following embodiment based on theconfiguration mentioned above.

First of all, the case that the lavatory bowl (1) of the illustrativeembodiment is used “only for urine” (Only the urine excretion) isexplained.

When the lavatory bowl (1) by the illustrative embodiment is used “onlyfor urine” and either the man or the woman uses it, it is assumed tokeep closed the opening and shutting lid (60) of the feces slot (12)where it is located at a lower position of the main body of the lavatorybowl (11) (reference as shown in FIG. 2 etc.). The lavatory bowl (1) isused for a women to have a seat on the lavatory seat (40) shown in FIG.2 etc. and for a men to lift up the lavatory seat (40) shown in FIG. 2etc. on the upper side. The lavatory bowl (1) by the illustrativeembodiment is applicable to either use mode.

When either the man or the woman uses it, urine comes in contact withfront (11 a) and backward (11 b) of the main body (11) of the lavatorybowl (1), the top surface of the opening and shutting lid (60 a), andnear the top surface (60 a) of the opening and shutting lid (60). Urinethat comes in contact with front (11 a) of the main body (11) of thelavatory bowl (1) flows in the direction of the urine guidepath (14)from front (11 a) (reference as shown the direction of arrow X1 of FIG.2 and the one of arrow Y1 of FIG. 3). Urine that comes in contact withbackward (11 b) of the main body (11) of the lavatory bowl (1) flows inthe direction of the urine guidepath (14) from backward (11 b)(reference as shown the direction of arrow X2 of FIG. 2 and the one ofarrow Y2 of FIG. 3). The top surface (60 a) of the opening and shuttinglid (60) has the same inclination as the urine guidepath (14) and urinethat comes in contact with the top surface of the opening and shuttinglid (60 a) flows to the lowest point side (position of the through-holepart (15) (reference as shown the direction of arrow X3 of FIG. 2 andthe one of arrow Y3 of FIG. 3).

Even if urine comes in contact with any part of the lavatory bowl, allurines are led to the urine guidepath (14) by configuration of thelavatory bowl (1) of the illustrative embodiment. The urine guidepath(14) has an inclination to a prescribed angle θ from backward (11 b) tofront (11 a) of the main body (11) of the lavatory bowl (1) and urineput together in the urine guidepath (14) are led to the through-holepart (15) where is the lowest point of the urine guidepath (14) along aprescribed angle θ (from backward (11 b) to front (11 a)) (reference asshown the direction of arrow Y4 and Y5 of FIG. 3).

The through-hole part (15) has the urine accumulation tube (16) thatconnects the urine container (20) and urine is put into the urinecontainer (20) through the urine guidepath (14), the through-hole part(15), and the urine accumulation tube (16).

Next, the case that the lavatory bowl (1) of the illustrative embodimentis used “only for feces” (Only the feces excretion) is explained.

When the lavatory bowl (1) of the illustrative embodiment is used “onlyfor feces” and either the man or the woman uses it, it is assumed to usethe lavatory bowl (1) for a user to have a seat on the lavatory seat(40). Before or after sitting on the lavatory seat (40), a user pushesthe button (62A) of the drive switch (62) to open the opening andshutting lid (60) that keeps closed the feces slot (12) before the fecesexcretion.

When the button (62A) is pushed, an electric signal from the driveswitch (62) is transmitted to the drive motor (61) through theelectricity wiring (63), and the rotation driving force of the drivemotor (61) is transmitted to the opening and shutting lid (60) (thesupporting part (60 b)) through the rotating shaft around the motor side(61A), the first gear (64), the second gear (65), and the rotating shaftaround the lid side (66), and then the opening and shutting lid (60)(refer to the solid line part in FIG. 4) with closed starts activated toopen the opening and shutting lid (60) to the position where the fecesslot (12) opens (refer to virtual line (chain double-dashed line) partin FIG. 4).

As a user excretes feces after he/she makes the opening and shutting lid(60) driven to keep open the feces slot (12) which is located at a lowerposition of the main body (11) of the lavatory bowl (1), feces are putin the feces container (30) through the lavatory seat opening (41) ofthe lavatory seat (40) and the feces slot (12).

Even if a user excretes urine with sitting on the lavatory seat (40) inthe lavatory bowl (1) by the illustrative embodiment, urine comes incontact with inner surface of the main body (11) of the lavatory bowl(1) and flows it there, and then urine is led to the urine guidepath(14). Even if the opening and shutting lid (60) is kept open, most urinecomes in contact with inner surface of the main body of the lavatorybowl (11) and is put in the urine container (20) through the urineguidepath (14)

As the lavatory bowl (1) of the illustrative embodiment is composedmentioned above and used, it has the following operations and effects ofthe invention based on the embodiment etc.

The lavatory bowl (1) by the illustrative embodiment is composed to puturine and feces in a separate container [the urine container (20) andthe feces container (30)], and that enables to inhibit ammoniageneration and decrease the possibility to generate “Smell (stink)”.

The lavatory bowl (1) by the illustrative embodiment has the opening andshutting lid (60) to open and shut the feces slot (12) which is locatedat a lower position of the main body (11) of the lavatory bowl (1). Whenthe lavatory bowl (1) by the illustrative embodiment is unused or usedonly for urine, the feces slot (12) is kept closed with the opening andshutting lid (60).

The lavatory bowl (1) of the illustrative embodiment enables to decreaseeffectively smell that is generated from the urine container (20) andthe feces container (30) as the air convection between internal space ofouter casing (10) (space where the urine container (20) and the fecescontainer (30) are installed) and upper space of the main body of thelavatory bowl (11) is eliminated. Also, a high effect can be achieved onthe aspect of good hygiene by eliminating the air convection between aninternal space and external space of the outer casing (10).

The lavatory bowl (1) of the illustrative embodiment has a beneficialeffect on its urinary use. According to the usage mentioned above, it isproperly applicable to the urinary use, keeping the sealing performancebetween the internal space and external space of the outer casing (10).

When the lavatory bowl (1) by the illustrative embodiment is used onlyfor urine, it is used for a woman to have a seat on the lavatory seat(40) shown in FIG. 2 etc. and for a man to lift up the lavatory seat(40) shown in FIG. 2 etc. on the upper side. The lavatory bowl (1) bythe illustrative embodiment is appropriately applicable to either usemode.

When a woman uses the lavatory bowl (1) only for urine, urine comes incontact with front (11 a) of the main body (11) of the lavatory bowl(1), backward (11 b) of it, or the top surface (60 a) of the opening andshutting lid (60) and near the top surface (60 a) of the opening andshutting lid (60), and then urine is put in the urine container (20)through the urine guidepath (14). When a man uses the lavatory bowl (1)only for urine (when he lifts up the lavatory seat (40) and excretesurine upright), most urine comes in contact with backward (11 b) of themain body of the lavatory bowl (11) and then is put in the urinecontainer (20) through the urine guidepath (14).

When a user, whether a woman or a man, uses the lavatory bowl (1) by theillustrative embodiment only for urine, urine can be put in the urinecontainer (20) through the urine accumulation part [guidepath (14) andthe urine accumulation tube (16)] with closed the feces slot (12) whichis located at a lower position of the main body (11) of the lavatorybowl (1) by the opening and shutting lid (60).

Anywhere of inner surface of the main body (11) of the lavatory bowl (1)is inclined to the urine guidepath (14) which is composed at the outeredge part of the feces slot (12) in the lavatory bowl (1) of theillustrative embodiment. Urine comes in contact with front (11 a) of themain body of the lavatory bowl (11) and flows in the direction of arrowY1 (refer to FIG. 3). Urine comes in contact with backward (11 b) of themain body of the lavatory bowl (11) and flows in the direction of arrowY2 (refer to FIG. 3). Urine comes in contact with both sides (right andleft side) (11 c) of the main body of the lavatory bowl (11) and flowsin the direction of arrow Y6 (refer to FIG. 3). All urine from each partis put in the urine guidepath (14). Even if urine is excreted in anypart of the lavatory bowl (11) in the lavatory bowl (1) of theillustrative embodiment, urine can be properly put in the urinecontainer (20) through the urine accumulation part [guidepath (14) andthe urine accumulation tube (16)].

As the lavatory bowl (1) by the illustrative embodiment canappropriately put urine, it enables to prevent effectively urine frombeing mixed in the feces container (30) and control ammonia generationand decrease “Smell”.

The lavatory bowl (1) by the illustrative embodiment based on aconfiguration mentioned above is easy to use as a compost lavatory andthe potty-seat type lavatory as the collection ratio of urine is high.It is because urine can be appropriately separated and collected, andthe generation of “Smell” can be controlled.

The lavatory bowl (1) of the illustrative embodiment can be offered asthe lavatory of practical use easily and one of serving many uses forthe user who requests urine-feces separation unit with high level ofcertainty of separation for resources recycling business and otherreasons.

Even if a user excretes urine with sitting on the lavatory seat (40) inthe lavatory bowl (1) of the illustrative embodiment, urine comes incontact with and flows at inner surface 11 a, 11 b, and 11 c of the mainbody (11) of the lavatory bowl (1) and then urine is led to the urineguidepath (14). Even if the opening and shutting lid (60) is kept open,most urine comes in contact with inner surface 11 a, 11 b, and 11 c(mainly front part (11 a)) of the main body of the lavatory bowl (11)and is put in the urine container (20) through the urine guidepath (14).

Even if urine is excreted during feces excretion in the lavatory bowl(1) by the illustrative embodiment, it is possible to properly put urineand feces in each container after separating them. Therefore, variouseffects such as decreases of “Smell” mentioned above can be achieved.

As the lavatory bowl (1) of the illustrative embodiment based on aconfiguration mentioned above can properly put urine in the urinecontainer (20) without mixing it in the feces container (30), it canhave smaller sized one. If the lavatory is a configuration that it putsurine and feces in the same container (ones of such a configuration aremost in the conventional technology), it needs to have big sized fecescontainer (30) and to do the washing processing in the feces container(30) and the disposal of organic waste, etc. frequently. However, itenables to have small sized feces container (30) and decrease thefrequency of the washing processing etc. in the urine-feces separationunit of the illustrative embodiment as it can put urine and feces ineach container after separating them as mentioned above. Consequently,it can reduce the size of its configuration in the lavatory bowl (1) bythe illustrative embodiment.

As the lavatory bowl (1) of the illustrative embodiment uses theurine-feces separation unit {the urine accumulation part [the urineguidepath (14) and the urine accumulation tube (16)] and the opening andshutting lid (60)}, the main body of the lavatory bowl (11) can beefficiently washed. Therefore, it becomes possible to keep the lavatorybowl (1) sanitary at any time.

The washing processing is done at such as inner surface 11 a, 11 b, and11 c of the main body (11) of the lavatory bowl (1), the top surface (60a) of the opening and shutting lid (60), and the urine guidepath (14) byusing the detergent and the rinse water, etc. with keeping closed thefeces slot (12) of the main body (11) of the lavatory bowl (1) by theopening and shutting lid (60) as the lavatory bowl (1) is used only forurine. When the washing processing is done as mentioned above, thefluids such as the detergents and the rinse water flow into the urineguidepath (14) from inner surface (front (11 a), backward (11 b), andboth sides (right and left side) (11 c)) of the main body (11) of thelavatory bowl (1) and the top surface (60 a) of the opening and shuttinglid (60) as well as the case of urine. Then the fluids which put in thisurine guidepath (14) are led to the urine container (20) through thethrough-hole part (15) and the urine accumulation tube (16).

The washing processing can be done sanitary without caring about thesmell because it can be done with keeping closed the internal space ofthe outer casing (10) that has the feces container (30) in the lavatorybowl (1) of the illustrative embodiment. The urine-feces separation unitbeing used, all of the washing processing water etc. can be put in theurine container (20) without mixing and put it into the feces container(30). Therefore, the washing processing in the main body of the lavatorybowl (11) can be done only by detaching the urine container (20) withoutdetaching the feces container (30). In this case, if the urineaccumulation tube (16) is inserted not in the urine container (20) but,for instance, the tank for washing or the disposal place out of thelavatory bowl (1), the washing processing can be done more easily.

The urine-feces separation unit that composes the lavatory bowl (1) ofthe illustrative embodiment can demonstrate various, excellent effectsmentioned above, and it is a very easy, compact configuration. The sizeof the unit itself can be greatly miniaturized compared with thelavatory of the urine-feces separation type known so far.

It is not limited to this illustrative embodiment mentioned above and itis also possible to make various changes to this invention when neededwithin the purpose of this invention and that is all included within thetechnical scope of this invention.

It explained the use of the porous material (sawdust) to do thebiodegradation processing of organic wastes such as feces in theillustrative embodiment mentioned above, however, the invention is notlimited to this configuration and it is possible the use of, forinstance, plant system materials such as straw, rice chaff, and palmshell or inorganic materials such as activated charcoal and zeolite. Itcan be allowed even if the porous material (sawdust) is not used in thefeces container (30) as appropriate in this configuration.

It explained the case that “Urine-feces separation unit” according tothis invention is applied to “Portable type lavatory” that can be set upfor a room, which has the urine container (20) and the feces container(30) in the lavatory bowl (1) in the illustrative embodiment mentionedabove, however, the invention is not limited to this configuration. Thepurpose of the “Urine-feces separation unit” by this invention is toseparate urine and feces, and it can be any configurations of such asthe storage method (device) and the processing method (device) afterurine and service are separated. Therefore, “Urine-feces separationunit” according to this invention can be applied to the lavatories ofconfigurations for instance, that collect excretion such urine and fecesoutside of the lavatory bowl (1) and do the processing excretion in theseptic tank outside of the lavatory bowl (1).

It explained the configuration that has the through-hole part (15) atthe lowest point of the urine guidepath (14) and connects the urineaccumulation tube (16) to the through-hole part (15) in the illustrativeembodiment mentioned above; however, the invention is not limited tothis configuration. It can be allowed the configuration for instance,that has more than one through-hole parts at the urine guidepath (14)and connects the urine accumulation tubes to each through-hole parts andinserts them in the urine container (20) with gathering and bundlingthem into one. Or, it can be allowed the configuration that inserts morethan one through-hole parts in the urine container (20) respectively.Briefly, it is not limited to the configuration of the only onethrough-hole part (15) in the urine guidepath (14), and it can beallowed the configuration having more than one through-hole parts ifnecessary in this invention.

It explained the case that “Urine accumulation part” is composed of theurine guidepath (14) and the urine accumulation tube (16) in theillustrative embodiment mentioned above; however, the invention is notlimited to this configuration. For instance, “Urine accumulation part”can be composed only of the urine guidepath (14) if it can put urinedirectly in the urine container (20) through the through-hole part (15)in the urine guidepath (14).

In the illustrative embodiment mentioned above, it explained theconfiguration that makes it open the opening and shutting lid (60) bydriving the drive motor (61) automatically when the opening and shuttinglid (60) with keeping closed detects weight more than a prescribed levelto prevent troubles in the opening and shutting mechanism of the openingand shutting lid (60) in which case feces etc. are piled up on theopening and shutting lid (60) that keeps closed the feces slot (12),however, this invention is not limited to this configuration. It ispossible to adopt any configurations if the opening and shutting lid(60) has the same structure-function that make itself open when itdetects sediments more than a prescribed level in weights. It can beallowed a configuration for instance, that does not engage first gear(64) and second gear (65) when the opening and shutting lid (60) keepsclosed, which is the configuration that engages first gear (64) andsecond gear (65) by signal of the drive switch (62) and that the openingand shutting lid (60) opens by itself when there are sediments on it.

It explained the configuration that opens and shuts the opening andshutting lid (60) using drive motor (61), first gear (64) and secondgear (65) in the illustrative embodiment mentioned above, however, thisinvention is not limited to this configuration as long as a user canopen and shut the opening and shutting lid (60) on his/her intention. Itis possible to adopt any configurations such as the electric mechanismthat is a different from this illustrative embodiment or the mechanismof the machine type that combines spring and the rod, etc. or themechanism of the hydraulic type.

It explained the configuration that switching action of the opening andshutting lid (60) is a vertical movement in the illustrative embodimentmentioned above, however, this invention is not limited to thisconfiguration. It can adopt the opening and shutting mechanism of ahorizontal movement such as the slide type.

It explained the configuration that the drive switch (62) is installedon the back of a user sitting on a seat in the illustrative embodimentmentioned above, however, this invention is not limited to thisconfiguration, and a position of the drive switch (62) is changeableaccordingly. It can be allowed that a position of this drive switch (62)is installed in any place for a user to push easily if necessary.

It explained the case that the urine-feces separation mechanismaccording to this invention is applied to a western-style lavatory inthe illustrative embodiment mentioned above, however, this invention isnot limited to this configuration, and it can be apply to a Japanesestyle lavatory as a matter of course. All various effects of explainingin the illustrative embodiment mentioned above can be achieved if theurine-feces separation unit {[the accumulation part the urine guidepath(14) and the urine accumulation tube (16)] and the opening and shuttinglid (60)} by the illustrative embodiment is applied as a Japanese stylelavatory has the feces slot (12) at the lower position of the main bodyof the lavatory bowl as well.

POSSIBLE AVAILABILITY ON INDUSTRY

It can be obtained the urine-feces separation unit by this inventionthat can appropriately separate urine and feces, improve sealingperformance of containers such as feces, and correspond to the use onlyof urine properly. Moreover, it can be obtained by the lavatory of thisinvention that can appropriately separate urine and feces and improvesealing performance of containers such as feces, and is applicable tothe urinary use properly.

The urine-feces separation unit and the lavatory according to thisinvention that have various effects mentioned above are a very easy,compact configuration. The market expansion in the fields of such as thecompost lavatory and the urine-feces separation type of the lavatorythat is difficult to miniaturize is expected by this invention.

The urine-feces separation unit and the lavatory according to thisinvention can be used as a lavatory at bed side (in a room) [welfaresector] and a lavatory in a camping car or a trailer that are in highdemand for one with compact and high-efficiency [leisure sector]. It isanticipated demand as a lavatory for a camping car, a prefabricatedhouse, a cottage, and a villa especially in North America etc.

1. A urine-feces separation unit that separates urine and feces,comprising: an opening and shutting lid to open and close a feces slot;and a urine accumulation part to put urine in.
 2. The urine-fecesseparation unit according to claim 1, wherein the urine accumulationpart is composed of a urine guidepath where it is the outer edge part ofthe feces slot and a urine accumulation tube that is connected with theurine guidepath.
 3. A urine-feces separation unit that separates urineand feces, comprising: an opening and shutting lid to open and closefeces slot; and a urine accumulation part to put urine in, wherein theurine accumulation part is composed of a urine guidepath where it is theouter edge part of the feces slot and an accumulation tube for urinethat connected with the urine guidepath, and wherein the opening andshutting lid keeps the feces slot closed and urine is put in a urinestorage tank through the urine accumulation part when urine is excreted,and that the opening and shutting lid keeps the feces slot opened andfeces are put in a feces storage tank through the feces slot when fecesare excreted.
 4. A lavatory bowl that has a urine container and a fecescontainer, comprising: an opening and shutting lid, which is locatedabove the feces container to open and close the feces slot; and a urineaccumulation part to put urine in the urine container.
 5. The lavatorybowl according to claim 4, wherein the urine accumulation part iscomposed of a urine guidepath where it is the outer edge part of thefeces slot and the urine accumulation tube that connects the urineguidepath with the urine container.